package cn.tedu.boot21.controller;

import cn.tedu.boot21.entity.Emp;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletRequest;

@Controller
public class HelloController {
/*    @RequestMapping("/hello")
    public void hello(HttpServletResponse response) throws IOException {
        response.setContentType("text/html;charset=utf-8");
        PrintWriter pw= response.getWriter();
        pw.print("测试成功");
        pw.close();*//*关闭流*//*
    }*/
    @RequestMapping("/hello")
    @ResponseBody  //springMVC  提供的注解,作用:可以通过返回值的方式给客户端响应数据
    public String hello(){
        return "测试成功 !!!!!!!!!";
    }
    @RequestMapping("/param1")
    @ResponseBody
    public String param1(HttpServletRequest request){
        String info =request.getParameter("info");
        return "接收到了参数"+info;
    }
    @RequestMapping("/param2")
    @ResponseBody
    public String param1(String name,int age){
        return "接收到参数:"+name+"年龄:"+age;
    }
    @RequestMapping("/param3")
    @ResponseBody
    public String param3(Emp emp){
        //利用Emp类存变量,在使用toString方法
        return  emp.toString();
    }
}
